package com.ffyc.resale.config;

import com.ffyc.resale.component.MyWebSocketHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.server.standard.ServerEndpointExporter;
import org.springframework.web.socket.server.standard.ServletServerContainerFactoryBean;

@EnableWebSocket
@Configuration
public class WebSocketConfig implements WebSocketConfigurer {
    
    @Autowired
    private MyWebSocketHandler myWebSocketHandler;
    
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(myWebSocketHandler, "/api/websocket/{userId}/{chatId}")
                .setAllowedOrigins("*"); // 允许跨域
    }
    
    @Bean
    public ServerEndpointExporter serverEndpointExporter(){
        return new ServerEndpointExporter();
    }
    
    @Bean
    public ServletServerContainerFactoryBean createWebSocketContainer() {
        ServletServerContainerFactoryBean container = new ServletServerContainerFactoryBean();
        container.setMaxTextMessageBufferSize(8192);
        container.setMaxBinaryMessageBufferSize(8192);
        container.setAsyncSendTimeout(60000L); // 60秒超时
        return container;
    }
}